Home / 2,134.08-3,216.24-2,114.64

Finding the Fourth Proportional to 2,134.08, 3,216.24 and 2,114.64

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Solution

The fourth proportional to 2,134.08, 3,216.24 and 2,114.64 is: 3,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.08 : 3,216.24 = 2,114.64 : x
  2. Step 2: Convert to fraction form
    2,134.08/3,216.24 = 2,114.64/x
  3. Step 3: Cross multiply
    2,134.08x = 3,216.24 × 2,114.64
  4. Step 4: Simplify right side
    2,134.08x = 6,801,189.75
  5. Step 5: Solve for x
    x = 6,801,189.75/2,134.08
  6. Step 6: Final answer
    x = 3,186.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.